https://forums.autodesk.com/t5/robot-structural-analysis-forum/model-warnings/m-p/5504579#M68738 <P>I am afraid you have to remodel it without ACIS.</P> <P>If you want to make any design you have to remodel it using panels (\shell finite elements) and bars instead of volumetric elements.</P> Thu, 12 Feb 2015 10:38:46 GMT Rafal.Gaweda 2015-02-12T10:38:46Z